[  798.802133][T14591] netdevsim netdevsim344 eni344np1: renamed from eth0
[  798.822498][T14594] netdevsim netdevsim584 eni584np1: renamed from eth1
[  799.449774][T14579] Could not find device with ifindex 2000 in netnsfd 11
[  799.450553][T14579] Could not find netns with fd: 2000
[  799.450912][T14579] Cannot link a netdevsim to itself
[  799.451326][T14579] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).